[PATCH 2/3] phy: rockchip-usb: power down phy when rockchip phy probe

[Kishon Vijay Abraham I]

From: huang lin <hl@xxxxxxxxxxxxxx>

rockchip phy are enable when soc reset, to save power consumption,
we disable it when probe, and enable each phy when it use

Signed-off-by: huang lin <hl@xxxxxxxxxxxxxx>
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
 drivers/phy/phy-rockchip-usb.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 5a5c073..91d6f34 100644
--- a/drivers/phy/phy-rockchip-usb.c
+++ b/drivers/phy/phy-rockchip-usb.c
@@ -98,6 +98,7 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
 	struct device_node *child;
 	struct regmap *grf;
 	unsigned int reg_offset;
+	int err;
 
 	grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf");
 	if (IS_ERR(grf)) {
@@ -129,6 +130,11 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
 			return PTR_ERR(rk_phy->phy);
 		}
 		phy_set_drvdata(rk_phy->phy, rk_phy);
+
+		/* only power up usb phy when it use, so disable it when init*/
+		err = rockchip_usb_phy_power(rk_phy, 1);
+		if (err)
+			return err;
 	}
 
 	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
-- 
1.7.9.5

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